Скачать с ютуб Bi-Directional Visitor Counter using single ultrasonic sensor with LCD в хорошем качестве

Bi-Directional Visitor Counter using single ultrasonic sensor with LCD

Bi-Directional Visitor Counter using single ultrasonic sensor with LCD Scroll down for code..... Please like & Subscribe for more videos If you want to support my video please buy any product through my amazon affiliate link. I will receive a commission, at no extra cost to you. LIST OF COMPONENT (affiliate links) http://amzn.to/2fvSRJq (Arduino) http://amzn.to/2yBk7eT (LCD display) http://amzn.to/2zg8aeX (I2C) http://amzn.to/2vmUlLw (Ultrasonic sensor) http://amzn.to/2wxPmWz (Breadboard) http://amzn.to/2vJ3lvo (Jumper wire) #include (Wire.h) //instead of parenthesis () put angle bracket as YouTube description does not allow angle bracket #include (LiquidCrystal_I2C.h) #define trigPin 13 #define echoPin 12 // Find LCD address for I2C in this tutorial it is 0x3f LiquidCrystal_I2C lcd(0x3f, 16, 2); int counter = 0; int currentState1 = 0; int previousState1 = 0; int currentState2 = 0; int previousState2 = 0; int inside = 0; int outside = 0; void setup() { // initialize the LCD lcd.begin(); //Serial.begin (9600); pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); } void loop() { lcd.setCursor(0, 0); lcd.print("IN: "); lcd.setCursor(8, 0); lcd.print("OUT: "); lcd.setCursor(0, 1); lcd.print("Total Inside: "); long duration, distance; digitalWrite(trigPin, LOW); delayMicroseconds(2); digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW); duration = pulseIn(echoPin, HIGH); distance = (duration/2) / 29.1; if (distance (= 9){ currentState1 = 1; } else { currentState1 = 0; } delay(100); if(currentState1 != previousState1){ if(currentState1 == 1){ counter = counter + 1;} lcd.setCursor(14, 1); lcd.print(counter); inside = inside +1;} lcd.setCursor(4, 0); lcd.print(inside); if (distance ) 9 && distance (= 18){ currentState2 = 1; } else { currentState2 = 0; } delay(100); if(currentState2 != previousState2){ if(currentState2 == 1){ counter = counter - 1;} lcd.setCursor(14, 1); lcd.print(counter); outside = outside +1;} lcd.setCursor(13, 0); lcd.print(outside); lcd.setCursor(14, 1); lcd.print(counter); if (counter ) 9 || counter ( 0){ lcd.setCursor(14, 1); lcd.print(counter); delay(100); lcd.clear(); } }